static irqreturn_t rtc_interrupt_handler(int irq, void *dev_id) { struct rtc_device *rdev = dev_id; pr_debug(" RTC ***** interrupt happen\n"); rtc_aie_update_irq(rdev); CLEAR_RTC_INT(RTC_INT_ALL_MSK); return IRQ_HANDLED; }
static irqreturn_t rtc_interrupt_handler(int irq, void *dev_id) { struct rtc_device *rdev = dev_id; pr_info("RTC ***** interrupt happen, RSTS=0x%x\n", sci_adi_read(ANA_RTC_INT_RSTS)); //rtc_update_irq(rdev, 1, RTC_AF | RTC_IRQF); rtc_aie_update_irq(rdev); CLEAR_RTC_INT(RTC_INT_ALL_MSK); return IRQ_HANDLED; }
int sprd_clean_rtc(void) { int err; ANA_REG_AND(ANA_RTC_INT_EN, ~(RTC_INT_ALL_MSK)); // disable all interrupt ANA_REG_OR(ANA_APB_CLK_EN, AGEN_RTC_EN | AGEN_RTC_RTC_EN); //enable rtc device CLEAR_RTC_INT(RTC_INT_ALL_MSK); sprd_rtc_set_sec(0); sprd_rtc_set_alarm_sec(0); printf("now time sec %lu\n", sprd_rtc_get_sec()); printf("now alarm sec %lu\n", sprd_rtc_get_alarm_sec()); return 0; }
static irqreturn_t rtc_interrupt_handler(int irq, void *dev_id) { struct rtc_device *rdev = dev_id; pr_debug(" RTC ***** interrupt happen\n"); //rtc_update_irq(rdev, 1, RTC_AF | RTC_IRQF); rtc_aie_update_irq(rdev); CLEAR_RTC_INT(RTC_INT_ALL_MSK); #if defined(CONFIG_RTC_CHN_ALARM_BOOT) && defined(CONFIG_SPA) if(spa_lpm_charging_mode_get()) schedule_work(&reboot_work); #endif return IRQ_HANDLED; }
static int sprd_rtc_probe(struct platform_device *plat_dev) { int err = -ENODEV; struct resource *irq; int ret = 0; sci_adi_clr(ANA_RTC_INT_EN, 0xffff); sci_adi_set(ANA_RTC_INT_CLR, 0xffff); rtc_data = kzalloc(sizeof(*rtc_data), GFP_KERNEL); if(IS_ERR(rtc_data)){ err = PTR_ERR(rtc_data); return err; }; rtc_data->clk = clk_get(&plat_dev->dev, "ext_32k"); if (IS_ERR(rtc_data->clk)) { err = PTR_ERR(rtc_data->clk); goto kfree_data; } err = clk_enable(rtc_data->clk); if (err < 0) goto put_clk; CLEAR_RTC_INT(RTC_INT_ALL_MSK); device_init_wakeup(&plat_dev->dev, 1); rtc_data->rtc = rtc_device_register("sprd_rtc", &plat_dev->dev, &sprd_rtc_ops, THIS_MODULE); if (IS_ERR(rtc_data->rtc)) { err = PTR_ERR(rtc_data->rtc); goto disable_clk; } irq = platform_get_resource(plat_dev, IORESOURCE_IRQ, 0); if(unlikely(!irq)) { dev_err(&plat_dev->dev, "no irq resource specified\n"); goto unregister_rtc; } rtc_data->irq_no = irq->start; platform_set_drvdata(plat_dev, rtc_data); ret = request_irq(rtc_data->irq_no, rtc_interrupt_handler, 0, "sprd_rtc", rtc_data->rtc); if(ret){ printk(KERN_ERR "RTC regist irq error\n"); return ret; } sprd_creat_caliberate_attr(rtc_data->rtc->dev); return 0; unregister_rtc: rtc_device_unregister(rtc_data->rtc); disable_clk: clk_disable(rtc_data->clk); put_clk: clk_put(rtc_data->clk); kfree_data: kfree(rtc_data); return err; }
static int sprd_rtc_probe(struct platform_device *plat_dev) { int err = -ENODEV; struct resource *irq; rtc_data = kzalloc(sizeof(*rtc_data), GFP_KERNEL); if(IS_ERR(rtc_data)){ err = PTR_ERR(rtc_data); return err; }; /*ensure the rtc interrupt don't be send to Adie when there's no *rtc alarm int occur. */ sci_adi_raw_write(ANA_RTC_SPG_UPD, SPRD_RTC_LOCK); /* disable all interrupt */ sci_adi_clr(ANA_RTC_INT_EN, RTC_INT_ALL_MSK); /* enable rtc device */ rtc_data->clk = clk_get(&plat_dev->dev, "ext_32k"); if (IS_ERR(rtc_data->clk)) { err = PTR_ERR(rtc_data->clk); goto kfree_data; } err = clk_enable(rtc_data->clk); if (err < 0) goto put_clk; CLEAR_RTC_INT(RTC_INT_ALL_MSK); rtc_data->rtc = rtc_device_register("sprd_rtc", &plat_dev->dev, &sprd_rtc_ops, THIS_MODULE); if (IS_ERR(rtc_data->rtc)) { err = PTR_ERR(rtc_data->rtc); goto disable_clk; } irq = platform_get_resource(plat_dev, IORESOURCE_IRQ, 0); if(unlikely(!irq)) { dev_err(&plat_dev->dev, "no irq resource specified\n"); goto unregister_rtc; } rtc_data->irq_no = irq->start; platform_set_drvdata(plat_dev, rtc_data); err = request_irq(rtc_data->irq_no, rtc_interrupt_handler, 0, "sprd_rtc", rtc_data->rtc); if(err){ printk(KERN_ERR "RTC regist irq error\n"); goto unregister_rtc; } sprd_creat_caliberate_attr(rtc_data->rtc->dev); sprd_rtc_hwrst_set(1); sprd_rtc_set_bit_spg_counter(SPG_CNT_8SECS_RESET, 1); sprd_rtc_check_power_down(&plat_dev->dev); sprd_rtc_open(&plat_dev->dev);//test return 0; unregister_rtc: rtc_device_unregister(rtc_data->rtc); disable_clk: clk_disable(rtc_data->clk); put_clk: clk_put(rtc_data->clk); kfree_data: kfree(rtc_data); return err; }